The ignition module is mounted to the side of the distributor. It a rectangular piece.
Here is the wiring diagram:
it is inside the steering collar
Please check your spark plugs,wires,distributor and rotor or the ignition coil module. My '93 LX has an ignition coil module.
Not sure on a zx2. On an Escort LX it is behind the fuse box in the engine compartment.
Timing belt ?
under the ignition coils. it is flat comes off after you remove the three numbered igniton coils. they plug into the module underneath them.
haines manual
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Recently had same experience with my dodge and escort. in the escort it was the distributor and the dodge was the brainAnswerCheck your ignition module in your distributor that is a good place to start.
There is no governor on a 91 Escort. There may or may not be a maximum rpm limit in the ignition module or computer, and there may be a maximum speed (mph) setting programmed into the ECM.
The engine computer is the ignition module.